[PATCH][MIPS] add initialize vr41xx PCI io_map_base

[Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>]

Add initialize vr41xx PCI io_map_base

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>

diff -pruN -X /home/yuasa/Memo/dontdiff linux-orig/arch/mips/pci/pci-vr41xx.c linux/arch/mips/pci/pci-vr41xx.c
--- linux-orig/arch/mips/pci/pci-vr41xx.c	2008-06-16 12:32:30.875464524 +0900
+++ linux/arch/mips/pci/pci-vr41xx.c	2008-06-16 15:26:52.520088759 +0900
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2003 MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@xxxxxxxxxx or source@xxxxxxxxxx>
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
+ *  Copyright (C) 2004-2008  Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
  *  Copyright (C) 2004 by Ralf Baechle (ralf@xxxxxxxxxxxxxx)
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -300,6 +300,18 @@ static int __init vr41xx_pciu_init(void)
 		ioport_resource.end = IO_PORT_RESOURCE_END;
 	}
 
+	if (setup->master_io) {
+		void __iomem *io_map_base;
+		struct resource *res = vr41xx_pci_controller.io_resource;
+		master = setup->master_io;
+		io_map_base = ioremap(master->bus_base_address,
+				      res->end - res->start + 1);
+		if (!io_map_base)
+			return -EBUSY;
+
+		vr41xx_pci_controller.io_map_base = (unsigned long)io_map_base;
+	}
+
 	register_pci_controller(&vr41xx_pci_controller);
 
 	return 0;